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Police said when he was arrested, the 16-year-old confessed to the Jimmy John’s robbery and turned over the revolver to detectives.

PHOTOS: Surveillance video shows boy robber - (1/7)

Published on Sep 10, 2013

Police said when he was arrested, the 16-year-old confessed to the Jimmy John’s robbery and turned over the revolver to detectives.

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Published on Sep 10, 2013

The robbery at the Jimmy John's occurred on July 23.

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Published on Sep 10, 2013

Police are still trying to identify the second person in the Jimmy John's robbery.

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Published on Sep 10, 2013

Surveillance video showed the 16-year-old with a gun.

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Published on Sep 10, 2013

The 12-year-old boy was also arrested and confessed to robbing a market and a coffee stand in Everett, police said.

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Published on Sep 10, 2013

Everett police say detectives arrested two boys, ages 12 and 16, in connection with a series of armed robberies. The 16-year-old was arrested in a robbery at a Jimmy John's sandwich shop.

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Published on Sep 10, 2013

During the investigation, detectives learned the 16-year-old Arlington teen loaned that same revolver to a 12-year-old. Police said the 12-year-old used the revolver in two robberies and then returned it, along with some of the money he took.